5305-00-558-9581

Find complete technical information, availability, and procurement data for: 5305-00-558-9581
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-558-9581

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

flat countersunk head style, 3a thread class, right-hand thread direction, 0.455 inches minimum thread length, 0.893 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.455 inches minimum
Fastener Length: 0.893 inches nominal
Head Style: flat countersunk
Head Diameter: 0.461 inches minimum and 0.471 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches minimum and 0.158 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Material: steel overall
Surface Treatment: cadmium overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-292-2417	No Name Available	04/01/1989

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
S963A4-7	Socket Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-558-9581?

The FSCG of the NSN 5305-00-558-9581 is 5305

Does the NSN 5305-00-558-9581 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-558-9581 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-00-558-9581 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-558-9581 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-00-558-9581 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963